Step 3: Download and install Framaroot Application on your Device. Once installation is completed you will be able to see the Framaroot Icon in your Menu.

Step 4: Now, Tap on the Framaroot App Icon to Open it.

Step 5: Once Framaroot Application is launched you will be able to see the following screen:

Step 6: In Framaroot, You will be able to see only 1 option i.e Boromir. Tap on the Boromir Option.

Step 7: Now, you will be able to see the success popup on the Phone Screen.

Step 8: Now, you have to restart your Device.

Step 9: Now your Gigabyte GSmart Sierra S1 is Rooted. To check whether your phone is rooted correctly, open Applications Menu, there you will be able to see a new app installed, called SuperSU. If this app exist then it means you have successfully rooted your device.

Optional: You can also verify the root status of your device by using the Root Checker Application.

Keep in Mind:

[*] No data loss process: Your Gigabyte GSmart Sierra S1 Phone Data like contacts, pictures, videos, music and etc will be not affected with this method.

[*] Device Warranty: Once you full unroot your device through SuperSU, you can claim for the phone warranty. In short no need to worry for phone warranty.

[*] How to unroot: To unroot, Open SuperSU > Settings > Full Unroot.

[*] Credits: Framaroot Application is developed by alephzain (XDA Developer).